gimp/app/tools/gimpbucketfilltool.c

450 lines
13 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpdrawable.h"
#include "core/gimpdrawable-bucket-fill.h"
#include "core/gimpimage.h"
#include "core/gimpimage-mask.h"
#include "pdb/procedural_db.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplay-foreach.h"
#include "display/gimpdisplayshell.h"
#include "gimpbucketfilltool.h"
#include "paint_options.h"
#include "tool_manager.h"
#include "gimprc.h"
#include "undo.h"
#include "libgimp/gimpintl.h"
typedef struct _BucketOptions BucketOptions;
struct _BucketOptions
{
PaintOptions paint_options;
gboolean sample_merged;
gboolean sample_merged_d;
GtkWidget *sample_merged_w;
gdouble threshold;
/* gdouble threshold_d; (from gimprc) */
GtkObject *threshold_w;
BucketFillMode fill_mode;
BucketFillMode fill_mode_d;
GtkWidget *fill_mode_w[3];
};
static BucketOptions *bucket_options = NULL;
static GimpToolClass *parent_class = NULL;
/* local function prototypes */
static void gimp_bucket_fill_tool_class_init (GimpBucketFillToolClass *klass);
static void gimp_bucket_fill_tool_init (GimpBucketFillTool *bucket_fill_tool);
static void gimp_bucket_fill_tool_button_press (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_bucket_fill_tool_button_release (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_bucket_fill_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_bucket_fill_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp);
static BucketOptions * bucket_options_new (void);
static void bucket_options_reset (GimpToolOptions *tool_options);
/* public functions */
void
gimp_bucket_fill_tool_register (Gimp *gimp)
{
tool_manager_register_tool (gimp,
GIMP_TYPE_BUCKET_FILL_TOOL,
TRUE,
"gimp:bucket_fill_tool",
_("Bucket Fill"),
_("Fill with a color or pattern"),
N_("/Tools/Paint Tools/Bucket Fill"), "<shift>B",
NULL, "tools/bucket_fill.html",
GIMP_STOCK_TOOL_BUCKET_FILL);
}
GType
gimp_bucket_fill_tool_get_type (void)
{
static GType tool_type = 0;
if (! tool_type)
{
static const GTypeInfo tool_info =
{
sizeof (GimpBucketFillToolClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_bucket_fill_tool_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpBucketFillTool),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_bucket_fill_tool_init,
};
tool_type = g_type_register_static (GIMP_TYPE_TOOL,
"GimpBucketFillTool",
&tool_info, 0);
}
return tool_type;
}
/* private functions */
static void
gimp_bucket_fill_tool_class_init (GimpBucketFillToolClass *klass)
{
GimpToolClass *tool_class;
tool_class = GIMP_TOOL_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
tool_class->button_press = gimp_bucket_fill_tool_button_press;
tool_class->button_release = gimp_bucket_fill_tool_button_release;
tool_class->modifier_key = gimp_bucket_fill_tool_modifier_key;
tool_class->cursor_update = gimp_bucket_fill_tool_cursor_update;
}
static void
gimp_bucket_fill_tool_init (GimpBucketFillTool *bucket_fill_tool)
{
GimpTool *tool;
tool = GIMP_TOOL (bucket_fill_tool);
if (! bucket_options)
{
bucket_options = bucket_options_new ();
tool_manager_register_tool_options (GIMP_TYPE_BUCKET_FILL_TOOL,
(GimpToolOptions *) bucket_options);
}
tool->tool_cursor = GIMP_BUCKET_FILL_TOOL_CURSOR;
tool->scroll_lock = TRUE; /* Disallow scrolling */
}
static void
gimp_bucket_fill_tool_button_press (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpBucketFillTool *bucket_tool;
GimpDisplayShell *shell;
bucket_tool = GIMP_BUCKET_FILL_TOOL (tool);
shell = GIMP_DISPLAY_SHELL (gdisp->shell);
bucket_tool->target_x = coords->x;
bucket_tool->target_y = coords->y;
if (! bucket_options->sample_merged)
{
gint off_x, off_y;
gimp_drawable_offsets (gimp_image_active_drawable (gdisp->gimage),
&off_x, &off_y);
bucket_tool->target_x -= off_x;
bucket_tool->target_y -= off_y;
}
gdk_pointer_grab (shell->canvas->window, FALSE,
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON1_MOTION_MASK |
GDK_BUTTON_RELEASE_MASK,
NULL, NULL, time);
/* Make the tool active and set the gdisplay which owns it */
tool->gdisp = gdisp;
tool->state = ACTIVE;
}
static void
gimp_bucket_fill_tool_button_release (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpBucketFillTool *bucket_tool;
Argument *return_vals;
gint nreturn_vals;
bucket_tool = GIMP_BUCKET_FILL_TOOL (tool);
gdk_pointer_ungrab (time);
gdk_flush ();
/* if the 3rd button isn't pressed, fill the selected region */
if (! (state & GDK_BUTTON3_MASK))
{
GimpContext *context;
context = gimp_get_current_context (gdisp->gimage->gimp);
return_vals =
procedural_db_run_proc (gdisp->gimage->gimp,
"gimp_bucket_fill",
&nreturn_vals,
GIMP_PDB_DRAWABLE, gimp_drawable_get_ID (gimp_image_active_drawable (gdisp->gimage)),
GIMP_PDB_INT32, (gint32) bucket_options->fill_mode,
GIMP_PDB_INT32, (gint32) gimp_context_get_paint_mode (context),
GIMP_PDB_FLOAT, (gdouble) gimp_context_get_opacity (context) * 100,
GIMP_PDB_FLOAT, (gdouble) bucket_options->threshold,
GIMP_PDB_INT32, (gint32) bucket_options->sample_merged,
GIMP_PDB_FLOAT, (gdouble) bucket_tool->target_x,
GIMP_PDB_FLOAT, (gdouble) bucket_tool->target_y,
GIMP_PDB_END);
if (return_vals && return_vals[0].value.pdb_int == GIMP_PDB_SUCCESS)
gdisplays_flush ();
else
g_message (_("Bucket Fill operation failed."));
procedural_db_destroy_args (return_vals, nreturn_vals);
}
tool->state = INACTIVE;
}
static void
gimp_bucket_fill_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *gdisp)
{
if (key == GDK_CONTROL_MASK)
{
switch (bucket_options->fill_mode)
{
case FG_BUCKET_FILL:
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (bucket_options->fill_mode_w[BG_BUCKET_FILL]),
TRUE);
break;
case BG_BUCKET_FILL:
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (bucket_options->fill_mode_w[FG_BUCKET_FILL]),
TRUE);
break;
default:
break;
}
}
}
static void
gimp_bucket_fill_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpDisplayShell *shell;
GimpLayer *layer;
GdkCursorType ctype = GDK_TOP_LEFT_ARROW;
GimpCursorModifier cmodifier = GIMP_CURSOR_MODIFIER_NONE;
gint off_x, off_y;
shell = GIMP_DISPLAY_SHELL (gdisp->shell);
if ((layer = gimp_image_get_active_layer (gdisp->gimage)))
{
gimp_drawable_offsets (GIMP_DRAWABLE (layer), &off_x, &off_y);
if (coords->x >= off_x &&
coords->y >= off_y &&
coords->x < (off_x + gimp_drawable_width (GIMP_DRAWABLE (layer))) &&
coords->y < (off_y + gimp_drawable_height (GIMP_DRAWABLE (layer))))
{
/* One more test--is there a selected region?
* if so, is cursor inside?
*/
if (gimage_mask_is_empty (gdisp->gimage) ||
gimage_mask_value (gdisp->gimage, coords->x, coords->y))
{
ctype = GIMP_MOUSE_CURSOR;
switch (bucket_options->fill_mode)
{
case FG_BUCKET_FILL:
cmodifier = GIMP_CURSOR_MODIFIER_FOREGROUND;
break;
case BG_BUCKET_FILL:
cmodifier = GIMP_CURSOR_MODIFIER_BACKGROUND;
break;
case PATTERN_BUCKET_FILL:
cmodifier = GIMP_CURSOR_MODIFIER_PATTERN;
break;
}
}
}
}
gimp_display_shell_install_tool_cursor (shell,
ctype,
GIMP_BUCKET_FILL_TOOL_CURSOR,
cmodifier);
}
static BucketOptions *
bucket_options_new (void)
{
BucketOptions *options;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *scale;
GtkWidget *frame;
options = g_new0 (BucketOptions, 1);
paint_options_init ((PaintOptions *) options,
GIMP_TYPE_BUCKET_FILL_TOOL,
bucket_options_reset);
options->sample_merged = options->sample_merged_d = FALSE;
options->threshold = gimprc.default_threshold;
options->fill_mode = options->fill_mode_d = FG_BUCKET_FILL;
/* the main vbox */
vbox = ((GimpToolOptions *) options)->main_vbox;
/* the sample merged toggle */
options->sample_merged_w =
gtk_check_button_new_with_label (_("Sample Merged"));
g_signal_connect (G_OBJECT (options->sample_merged_w), "toggled",
G_CALLBACK (gimp_toggle_button_update),
&options->sample_merged);
gtk_box_pack_start (GTK_BOX (vbox), options->sample_merged_w, FALSE, FALSE, 0);
gtk_widget_show (options->sample_merged_w);
/* the threshold scale */
hbox = gtk_hbox_new (FALSE, 4);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
label = gtk_label_new (_("Threshold:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
options->threshold_w =
gtk_adjustment_new (gimprc.default_threshold, 0.0, 255.0, 1.0, 1.0, 0.0);
scale = gtk_hscale_new (GTK_ADJUSTMENT (options->threshold_w));
gtk_box_pack_start (GTK_BOX (hbox), scale, TRUE, TRUE, 0);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_range_set_update_policy (GTK_RANGE (scale), GTK_UPDATE_DELAYED);
g_signal_connect (G_OBJECT (options->threshold_w), "value_changed",
G_CALLBACK (gimp_double_adjustment_update),
&options->threshold);
gtk_widget_show (scale);
gtk_widget_show (hbox);
/* fill type */
frame =
gimp_radio_group_new2 (TRUE, _("Fill Type"),
G_CALLBACK (gimp_radio_button_update),
&options->fill_mode,
GINT_TO_POINTER (options->fill_mode),
_("FG Color Fill"),
GINT_TO_POINTER (FG_BUCKET_FILL),
&options->fill_mode_w[0],
_("BG Color Fill"),
GINT_TO_POINTER (BG_BUCKET_FILL),
&options->fill_mode_w[1],
_("Pattern Fill"),
GINT_TO_POINTER (PATTERN_BUCKET_FILL),
&options->fill_mode_w[2],
NULL);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
bucket_options_reset ((GimpToolOptions *) options);
return options;
}
static void
bucket_options_reset (GimpToolOptions *tool_options)
{
BucketOptions *options;
options = (BucketOptions *) tool_options;
paint_options_reset (tool_options);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->sample_merged_w),
options->sample_merged_d);
gtk_adjustment_set_value (GTK_ADJUSTMENT (options->threshold_w),
gimprc.default_threshold);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->fill_mode_w[options->fill_mode_d]), TRUE);
}